17221520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3529}}^1$

素因数の和:3603

約数の個数: 40

約数和(自身を含む): 40707960

約数和(自身を除く): 23486440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3529, 4880, 7058, 14116, 17645, 28232, 35290, 56464, 70580, 141160, 215269, 282320, 430538, 861076, 1076345, 1722152, 2152690, 3444304, 4305380, 8610760, 17221520]

約数ペア:

[(1, 17221520), (2, 8610760), (4, 4305380), (5, 3444304), (8, 2152690), (10, 1722152), (16, 1076345), (20, 861076), (40, 430538), (61, 282320), (80, 215269), (122, 141160), (244, 70580), (305, 56464), (488, 35290), (610, 28232), (976, 17645), (1220, 14116), (2440, 7058), (3529, 4880)]